(6n+5)-th terms of expansion of 1/(1 - x - x^6).

Terms

a(0) =1a(1) =7a(2) =34a(3) =153a(4) =686a(5) =3088a(6) =13917a(7) =62721a(8) =282646a(9) =1273690a(10) =5739647a(11) =25864698a(12) =116554700a(13) =525233175a(14) =2366870474a(15) =10665883415a(16) =48063918336a(17) =216591552484a(18) =976031547888